All files resolve_shape.js

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/**
* @license Apache-2.0
*
* Copyright (c) 2025 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
 
'use strict';
 
// MODULES //
 
var getShape = require( '@stdlib/ndarray/base/shape' );
 
 
// MAIN //
 
/**
* Resolves the shape of an output ndarray according to a list of input ndarrays.
*
* @private
* @param {Array<ndarray>} arrays - list of input ndarrays
* @param {integer} dim - dimension along which to concatenate input ndarrays
* @returns {Array<integer>} shape
*/
function resolveShape( arrays, dim ) {
	var sh;
	var i;
 
	// Resolve the shape of the first ndarray:
	sh = getShape( arrays[ 0 ], true );
 
	// Expand the concatenation dimension in order to accommodate other input ndarrays...
	for ( i = 1; i < arrays.length; i++ ) {
		sh[ dim ] += getShape( arrays[ i ], false )[ dim ];
	}
	return sh;
}
 
 
// EXPORTS //
 
module.exports = resolveShape;